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</pre><pre class="rust ">
<span class="comment">// create_options.rs</span>
<span class="comment">//</span>
<span class="comment">// The set of options for creating an MQTT client.</span>
<span class="comment">// This file is part of the Eclipse Paho MQTT Rust Client library.</span>
<span class="comment">//</span>

<span class="comment">/*******************************************************************************
 * Copyright (c) 2017 Frank Pagliughi &lt;fpagliughi@mindspring.com&gt;
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v1.0 which accompany this distribution.
 *
 * The Eclipse Public License is available at
 *    http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 *   http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *    Frank Pagliughi - initial implementation and documentation
 *******************************************************************************/</span>

<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fmt</span>;

<span class="kw">use</span> <span class="ident">ffi</span>;
<span class="kw">use</span> <span class="ident">client_persistence</span>::<span class="ident">ClientPersistence</span>;

<span class="comment">/*
Remember the C constants (c_uint)
  MQTTCLIENT_PERSISTENCE_DEFAULT = 0
  MQTTCLIENT_PERSISTENCE_NONE    = 1
  MQTTCLIENT_PERSISTENCE_USER    = 2
*/</span>

<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">PersistenceType</span> {
	<span class="ident">File</span>,
	<span class="prelude-val">None</span>,
	<span class="ident">User</span>(<span class="ident">Box</span><span class="op">&lt;</span><span class="ident">Box</span><span class="op">&lt;</span><span class="ident">ClientPersistence</span><span class="op">&gt;&gt;</span>),
}

<span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="kw">for</span> <span class="ident">PersistenceType</span> {
	<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-&gt;</span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
		<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
			<span class="ident">PersistenceType</span>::<span class="ident">File</span> <span class="op">=&gt;</span> <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">&quot;File&quot;</span>),
			<span class="ident">PersistenceType</span>::<span class="prelude-val">None</span> <span class="op">=&gt;</span> <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">&quot;None&quot;</span>),
			<span class="ident">PersistenceType</span>::<span class="ident">User</span>(_) <span class="op">=&gt;</span> <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">&quot;User&quot;</span>),
		}
	}
}

<span class="comment">/////////////////////////////////////////////////////////////////////////////</span>
<span class="comment">//							Create Options</span>
<span class="comment">/////////////////////////////////////////////////////////////////////////////</span>

<span class="doccomment">/**
 * The options for creating an MQTT client.
 */</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CreateOptions</span> {
	<span class="kw">pub</span> <span class="ident">copts</span>: <span class="ident">ffi</span>::<span class="ident">MQTTAsync_createOptions</span>,
	<span class="kw">pub</span> <span class="ident">server_uri</span>: <span class="ident">String</span>,
	<span class="kw">pub</span> <span class="ident">client_id</span>: <span class="ident">String</span>,
	<span class="kw">pub</span> <span class="ident">persistence</span>: <span class="ident">PersistenceType</span>,
}

<span class="kw">impl</span> <span class="ident">CreateOptions</span> {
	<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>() <span class="op">-&gt;</span> <span class="ident">CreateOptions</span> {
		<span class="ident">CreateOptions</span>::<span class="ident">default</span>()
	}
}

<span class="kw">impl</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span><span class="op">&gt;</span> <span class="ident">From</span><span class="op">&lt;</span><span class="kw-2">&amp;</span><span class="lifetime">&#39;a</span> <span class="ident">str</span><span class="op">&gt;</span> <span class="kw">for</span> <span class="ident">CreateOptions</span> {
	<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">server_uri</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;a</span> <span class="ident">str</span>) <span class="op">-&gt;</span> <span class="self">Self</span> {
		<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">opts</span> <span class="op">=</span> <span class="ident">CreateOptions</span>::<span class="ident">default</span>();
		<span class="ident">opts</span>.<span class="ident">server_uri</span> <span class="op">=</span> <span class="ident">server_uri</span>.<span class="ident">to_string</span>();
		<span class="ident">opts</span>
	}
}

<span class="kw">impl</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span>, <span class="lifetime">&#39;b</span><span class="op">&gt;</span> <span class="ident">From</span><span class="op">&lt;</span>(<span class="kw-2">&amp;</span><span class="lifetime">&#39;a</span> <span class="ident">str</span>, <span class="kw-2">&amp;</span><span class="lifetime">&#39;b</span> <span class="ident">str</span>)<span class="op">&gt;</span> <span class="kw">for</span> <span class="ident">CreateOptions</span> {
	<span class="kw">fn</span> <span class="ident">from</span>((<span class="ident">server_uri</span>, <span class="ident">client_id</span>): (<span class="kw-2">&amp;</span><span class="lifetime">&#39;a</span> <span class="ident">str</span>, <span class="kw-2">&amp;</span><span class="lifetime">&#39;b</span> <span class="ident">str</span>)) <span class="op">-&gt;</span> <span class="self">Self</span> {
		<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">opts</span> <span class="op">=</span> <span class="ident">CreateOptions</span>::<span class="ident">default</span>();
		<span class="ident">opts</span>.<span class="ident">server_uri</span> <span class="op">=</span> <span class="ident">server_uri</span>.<span class="ident">to_string</span>();
		<span class="ident">opts</span>.<span class="ident">client_id</span> <span class="op">=</span> <span class="ident">client_id</span>.<span class="ident">to_string</span>();
		<span class="ident">opts</span>
	}
}

<span class="kw">impl</span> <span class="ident">Default</span> <span class="kw">for</span> <span class="ident">CreateOptions</span> {
	<span class="kw">fn</span> <span class="ident">default</span>() <span class="op">-&gt;</span> <span class="ident">CreateOptions</span> {
		<span class="ident">CreateOptions</span> {
			<span class="ident">copts</span>: <span class="ident">ffi</span>::<span class="ident">MQTTAsync_createOptions</span>::<span class="ident">default</span>(),
			<span class="ident">server_uri</span>: <span class="string">&quot;&quot;</span>.<span class="ident">to_string</span>(),
			<span class="ident">client_id</span>: <span class="string">&quot;&quot;</span>.<span class="ident">to_string</span>(),
			<span class="ident">persistence</span>: <span class="ident">PersistenceType</span>::<span class="ident">File</span>,
		}
	}
}

<span class="comment">/////////////////////////////////////////////////////////////////////////////</span>
<span class="comment">//								Builder</span>
<span class="comment">/////////////////////////////////////////////////////////////////////////////</span>

<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CreateOptionsBuilder</span> {
	<span class="ident">copts</span>: <span class="ident">ffi</span>::<span class="ident">MQTTAsync_createOptions</span>,
	<span class="ident">server_uri</span>: <span class="ident">String</span>,
	<span class="ident">client_id</span>: <span class="ident">String</span>,
	<span class="ident">persistence</span>: <span class="ident">PersistenceType</span>,
}

<span class="kw">impl</span> <span class="ident">CreateOptionsBuilder</span> {
	<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>() <span class="op">-&gt;</span> <span class="ident">CreateOptionsBuilder</span> {
		<span class="ident">CreateOptionsBuilder</span> {
			<span class="ident">copts</span>: <span class="ident">ffi</span>::<span class="ident">MQTTAsync_createOptions</span>::<span class="ident">default</span>(),
			<span class="ident">server_uri</span>: <span class="string">&quot;&quot;</span>.<span class="ident">to_string</span>(),
			<span class="ident">client_id</span>: <span class="string">&quot;&quot;</span>.<span class="ident">to_string</span>(),
			<span class="ident">persistence</span>: <span class="ident">PersistenceType</span>::<span class="ident">File</span>,
		}
	}

	<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">server_uri</span><span class="op">&lt;</span><span class="ident">S</span><span class="op">&gt;</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">server_uri</span>: <span class="ident">S</span>) <span class="op">-&gt;</span> <span class="ident">CreateOptionsBuilder</span>
			<span class="kw">where</span> <span class="ident">S</span>: <span class="ident">Into</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span> {
		<span class="self">self</span>.<span class="ident">server_uri</span> <span class="op">=</span> <span class="ident">server_uri</span>.<span class="ident">into</span>();
		<span class="self">self</span>
	}

	<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">client_id</span><span class="op">&lt;</span><span class="ident">S</span><span class="op">&gt;</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">client_id</span>: <span class="ident">S</span>) <span class="op">-&gt;</span> <span class="ident">CreateOptionsBuilder</span>
			<span class="kw">where</span> <span class="ident">S</span>: <span class="ident">Into</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span> {
		<span class="self">self</span>.<span class="ident">client_id</span> <span class="op">=</span> <span class="ident">client_id</span>.<span class="ident">into</span>();
		<span class="self">self</span>
	}

	<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">persistence</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">persist</span>: <span class="ident">PersistenceType</span>) <span class="op">-&gt;</span> <span class="ident">CreateOptionsBuilder</span> {
		<span class="self">self</span>.<span class="ident">persistence</span> <span class="op">=</span> <span class="ident">persist</span>;
		<span class="self">self</span>
	}

	<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">user_persistence</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">persistence</span>: <span class="ident">T</span>) <span class="op">-&gt;</span> <span class="ident">CreateOptionsBuilder</span> 
			<span class="kw">where</span> <span class="ident">T</span>: <span class="ident">ClientPersistence</span> <span class="op">+</span> <span class="lifetime">&#39;static</span>
	{
		<span class="kw">let</span> <span class="ident">persistence</span>: <span class="ident">Box</span><span class="op">&lt;</span><span class="ident">Box</span><span class="op">&lt;</span><span class="ident">ClientPersistence</span><span class="op">&gt;&gt;</span> <span class="op">=</span> <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">persistence</span>));
		<span class="self">self</span>.<span class="ident">persistence</span> <span class="op">=</span> <span class="ident">PersistenceType</span>::<span class="ident">User</span>(<span class="ident">persistence</span>);
		<span class="self">self</span>
	}

	<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">max_buffered_messages</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">i32</span>) <span class="op">-&gt;</span> <span class="ident">CreateOptionsBuilder</span> {
		<span class="self">self</span>.<span class="ident">copts</span>.<span class="ident">maxBufferedMessages</span> <span class="op">=</span> <span class="ident">n</span>;
		<span class="self">self</span>.<span class="ident">copts</span>.<span class="ident">sendWhileDisconnected</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">n</span> <span class="op">==</span> <span class="number">0</span> { <span class="number">0</span> } <span class="kw">else</span> { <span class="number">1</span> };
		<span class="self">self</span>
	}

	<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">finalize</span>(<span class="self">self</span>) <span class="op">-&gt;</span> <span class="ident">CreateOptions</span> {
		<span class="ident">CreateOptions</span> {
			<span class="ident">copts</span>: <span class="self">self</span>.<span class="ident">copts</span>,
			<span class="ident">server_uri</span>: <span class="self">self</span>.<span class="ident">server_uri</span>,
			<span class="ident">client_id</span>: <span class="self">self</span>.<span class="ident">client_id</span>,
			<span class="ident">persistence</span>: <span class="self">self</span>.<span class="ident">persistence</span>,
		}
	}
}

<span class="comment">/////////////////////////////////////////////////////////////////////////////</span>
<span class="comment">//								Unit Tests</span>
<span class="comment">/////////////////////////////////////////////////////////////////////////////</span>

<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
<span class="kw">mod</span> <span class="ident">tests</span> {
	<span class="kw">use</span> <span class="kw">super</span>::<span class="kw-2">*</span>;

	<span class="comment">// Rust options should be the same as the C options</span>
	<span class="attribute">#[<span class="ident">test</span>]</span>
	<span class="kw">fn</span> <span class="ident">test_default</span>() {
		<span class="kw">let</span> <span class="ident">opts</span> <span class="op">=</span> <span class="ident">CreateOptions</span>::<span class="ident">default</span>();
		<span class="kw">let</span> <span class="ident">copts</span> <span class="op">=</span> <span class="ident">ffi</span>::<span class="ident">MQTTAsync_createOptions</span>::<span class="ident">default</span>();

		<span class="comment">// First, make sure C options valid</span>
		<span class="macro">assert_eq</span><span class="macro">!</span>([ <span class="string">&#39;M&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;Q&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;C&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;O&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>], <span class="ident">copts</span>.<span class="ident">struct_id</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">0</span>, <span class="ident">copts</span>.<span class="ident">struct_version</span>);	<span class="comment">// Currently supported version</span>

		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">copts</span>.<span class="ident">struct_id</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">struct_id</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">copts</span>.<span class="ident">struct_version</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">struct_version</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">copts</span>.<span class="ident">sendWhileDisconnected</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">sendWhileDisconnected</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">copts</span>.<span class="ident">maxBufferedMessages</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">maxBufferedMessages</span>);

		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">&quot;&quot;</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>.<span class="ident">server_uri</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">&quot;&quot;</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>.<span class="ident">client_id</span>);
		<span class="comment">//assert_eq!(PersistenceType::File, opts.persistence);</span>
	}

	<span class="attribute">#[<span class="ident">test</span>]</span>
	<span class="kw">fn</span> <span class="ident">test_from_string</span>() {
		<span class="kw">const</span> <span class="ident">HOST</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static</span> <span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;localhost&quot;</span>;
		<span class="kw">let</span> <span class="ident">opts</span> <span class="op">=</span> <span class="ident">CreateOptions</span>::<span class="ident">from</span>(<span class="ident">HOST</span>);
		<span class="kw">let</span> <span class="ident">copts</span> <span class="op">=</span> <span class="ident">ffi</span>::<span class="ident">MQTTAsync_createOptions</span>::<span class="ident">default</span>();

		<span class="macro">assert_eq</span><span class="macro">!</span>([ <span class="string">&#39;M&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;Q&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;C&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;O&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>], <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">struct_id</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">0</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">struct_version</span>);	<span class="comment">// Currently supported version</span>
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">copts</span>.<span class="ident">sendWhileDisconnected</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">sendWhileDisconnected</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">copts</span>.<span class="ident">maxBufferedMessages</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">maxBufferedMessages</span>);

		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">HOST</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>.<span class="ident">server_uri</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">&quot;&quot;</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>.<span class="ident">client_id</span>);
		<span class="comment">//assert_eq!(PersistenceType::File, opts.persistence);</span>
	}


	<span class="attribute">#[<span class="ident">test</span>]</span>
	<span class="kw">fn</span> <span class="ident">test_from_tuple</span>() {
		<span class="kw">const</span> <span class="ident">HOST</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static</span> <span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;localhost&quot;</span>;
		<span class="kw">const</span> <span class="ident">ID</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static</span> <span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;bubba&quot;</span>;
		<span class="kw">let</span> <span class="ident">opts</span> <span class="op">=</span> <span class="ident">CreateOptions</span>::<span class="ident">from</span>((<span class="ident">HOST</span>,<span class="ident">ID</span>));
		<span class="kw">let</span> <span class="ident">copts</span> <span class="op">=</span> <span class="ident">ffi</span>::<span class="ident">MQTTAsync_createOptions</span>::<span class="ident">default</span>();

		<span class="macro">assert_eq</span><span class="macro">!</span>([ <span class="string">&#39;M&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;Q&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;C&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;O&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>], <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">struct_id</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">0</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">struct_version</span>);	<span class="comment">// Currently supported version</span>
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">copts</span>.<span class="ident">sendWhileDisconnected</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">sendWhileDisconnected</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">copts</span>.<span class="ident">maxBufferedMessages</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">maxBufferedMessages</span>);

		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">HOST</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>.<span class="ident">server_uri</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">ID</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>.<span class="ident">client_id</span>);
		<span class="comment">//assert_eq!(PersistenceType::File, opts.persistence);</span>
	}

	<span class="attribute">#[<span class="ident">test</span>]</span>
	<span class="kw">fn</span> <span class="ident">test_defaultbuilder</span>() {
		<span class="kw">let</span> <span class="ident">opts</span> <span class="op">=</span> <span class="ident">CreateOptionsBuilder</span>::<span class="ident">new</span>().<span class="ident">finalize</span>();
		<span class="kw">let</span> <span class="ident">copts</span> <span class="op">=</span> <span class="ident">ffi</span>::<span class="ident">MQTTAsync_createOptions</span>::<span class="ident">default</span>();

		<span class="comment">// First, make sure C options valid</span>
		<span class="macro">assert_eq</span><span class="macro">!</span>([ <span class="string">&#39;M&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;Q&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;C&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;O&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>], <span class="ident">copts</span>.<span class="ident">struct_id</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">0</span>, <span class="ident">copts</span>.<span class="ident">struct_version</span>);	<span class="comment">// Currently supported version</span>

		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">copts</span>.<span class="ident">struct_id</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">struct_id</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">copts</span>.<span class="ident">struct_version</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">struct_version</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">copts</span>.<span class="ident">sendWhileDisconnected</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">sendWhileDisconnected</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">copts</span>.<span class="ident">maxBufferedMessages</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">maxBufferedMessages</span>);

		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">&quot;&quot;</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>.<span class="ident">server_uri</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">&quot;&quot;</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>.<span class="ident">client_id</span>);
		<span class="comment">//assert_eq!(PersistenceType::File, opts.persistence);</span>
	}

	<span class="attribute">#[<span class="ident">test</span>]</span>
	<span class="kw">fn</span> <span class="ident">test_builder</span>() {
		<span class="kw">const</span> <span class="ident">HOST</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static</span> <span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;localhost&quot;</span>;
		<span class="kw">const</span> <span class="ident">ID</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static</span> <span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;bubba&quot;</span>;
		<span class="kw">const</span> <span class="ident">MAX_BUF_MSGS</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">100</span>;

		<span class="kw">let</span> <span class="ident">opts</span> <span class="op">=</span> <span class="ident">CreateOptionsBuilder</span>::<span class="ident">new</span>()
						.<span class="ident">server_uri</span>(<span class="ident">HOST</span>)
						.<span class="ident">client_id</span>(<span class="ident">ID</span>)
						<span class="comment">// TODO: Test persistence</span>
						.<span class="ident">max_buffered_messages</span>(<span class="ident">MAX_BUF_MSGS</span>)
						.<span class="ident">finalize</span>();

		<span class="macro">assert_eq</span><span class="macro">!</span>([ <span class="string">&#39;M&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;Q&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;C&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>, <span class="string">&#39;O&#39;</span> <span class="kw">as</span> <span class="ident">i8</span>], <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">struct_id</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">0</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">struct_version</span>);	<span class="comment">// Currently supported version</span>

		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">HOST</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>.<span class="ident">server_uri</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">ID</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>.<span class="ident">client_id</span>);
		<span class="comment">//assert_eq!(PersistenceType::File, opts.persistence);</span>
		<span class="macro">assert</span><span class="macro">!</span>(<span class="number">0</span> <span class="op">!=</span> <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">sendWhileDisconnected</span>);
		<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">MAX_BUF_MSGS</span>, <span class="ident">opts</span>.<span class="ident">copts</span>.<span class="ident">maxBufferedMessages</span>);
	}
}


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